You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
372 lines
12 KiB
372 lines
12 KiB
10 months ago
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Created by JetBrains PhpStorm.
|
||
|
|
* User: taoqili
|
||
|
|
* Date: 12-7-18
|
||
|
|
* Time: 上午11: 32
|
||
|
|
* UEditor编辑器通用上传类
|
||
|
|
*/
|
||
|
|
class Uploader
|
||
|
|
{
|
||
|
|
private $fileField; //文件域名
|
||
|
|
private $file; //文件上传对象
|
||
|
|
private $base64; //文件上传对象
|
||
|
|
private $config; //配置信息
|
||
|
|
private $oriName; //原始文件名
|
||
|
|
private $fileName; //新文件名
|
||
|
|
private $fullName; //完整文件名,即从当前配置目录开始的URL
|
||
|
|
private $filePath; //完整文件名,即从当前配置目录开始的URL
|
||
|
|
private $fileSize; //文件大小
|
||
|
|
private $fileType; //文件类型
|
||
|
|
private $stateInfo; //上传状态信息,
|
||
|
|
private $stateMap = array( //上传状态映射表，国际化用户需考虑此处数据的国际化
|
||
|
|
"SUCCESS", //上传成功标记，在UEditor中内不可改变，否则flash判断会出错
|
||
|
|
"文件大小超出 upload_max_filesize 限制",
|
||
|
|
"文件大小超出 MAX_FILE_SIZE 限制",
|
||
|
|
"文件未被完整上传",
|
||
|
|
"没有文件被上传",
|
||
|
|
"上传文件为空",
|
||
|
|
"ERROR_TMP_FILE" => "临时文件错误",
|
||
|
|
"ERROR_TMP_FILE_NOT_FOUND" => "找不到临时文件",
|
||
|
|
"ERROR_SIZE_EXCEED" => "文件大小超出网站限制",
|
||
|
|
"ERROR_TYPE_NOT_ALLOWED" => "文件类型不允许",
|
||
|
|
"ERROR_CREATE_DIR" => "目录创建失败",
|
||
|
|
"ERROR_DIR_NOT_WRITEABLE" => "目录没有写权限",
|
||
|
|
"ERROR_FILE_MOVE" => "文件保存时出错",
|
||
|
|
"ERROR_FILE_NOT_FOUND" => "找不到上传文件",
|
||
|
|
"ERROR_WRITE_CONTENT" => "写入文件内容错误",
|
||
|
|
"ERROR_UNKNOWN" => "未知错误",
|
||
|
|
"ERROR_DEAD_LINK" => "链接不可用",
|
||
|
|
"ERROR_HTTP_LINK" => "链接不是http链接",
|
||
|
|
"ERROR_HTTP_CONTENTTYPE" => "链接contentType不正确",
|
||
|
|
"INVALID_URL" => "非法 URL",
|
||
|
|
"INVALID_IP" => "非法 IP"
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 构造函数
|
||
|
|
* @param string $fileField 表单名称
|
||
|
|
* @param array $config 配置项
|
||
|
|
* @param bool $base64 是否解析base64编码，可省略。若开启，则$fileField代表的是base64编码的字符串表单名
|
||
|
|
*/
|
||
|
|
public function __construct($fileField, $config, $type = "upload")
|
||
|
|
{
|
||
|
|
$this->fileField = $fileField;
|
||
|
|
$this->config = $config;
|
||
|
|
$this->type = $type;
|
||
|
|
if ($type == "remote") {
|
||
|
|
$this->saveRemote();
|
||
|
|
} else if($type == "base64") {
|
||
|
|
$this->upBase64();
|
||
|
|
} else {
|
||
|
|
$this->upFile();
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->stateMap['ERROR_TYPE_NOT_ALLOWED'] = iconv('unicode', 'utf-8', $this->stateMap['ERROR_TYPE_NOT_ALLOWED']);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 上传文件的主处理方法
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
private function upFile()
|
||
|
|
{
|
||
|
|
$file = $this->file = $_FILES[$this->fileField];
|
||
|
|
if (!$file) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_FILE_NOT_FOUND");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ($this->file['error']) {
|
||
|
|
$this->stateInfo = $this->getStateInfo($file['error']);
|
||
|
|
return;
|
||
|
|
} else if (!file_exists($file['tmp_name'])) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_TMP_FILE_NOT_FOUND");
|
||
|
|
return;
|
||
|
|
} else if (!is_uploaded_file($file['tmp_name'])) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_TMPFILE");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->oriName = $file['name'];
|
||
|
|
$this->fileSize = $file['size'];
|
||
|
|
$this->fileType = $this->getFileExt();
|
||
|
|
$this->fullName = $this->getFullName();
|
||
|
|
$this->filePath = $this->getFilePath();
|
||
|
|
$this->fileName = $this->getFileName();
|
||
|
|
$dirname = dirname($this->filePath);
|
||
|
|
|
||
|
|
//检查文件大小是否超出限制
|
||
|
|
if (!$this->checkSize()) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//检查是否不允许的文件格式
|
||
|
|
if (!$this->checkType()) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_TYPE_NOT_ALLOWED");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//创建目录失败
|
||
|
|
if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR");
|
||
|
|
return;
|
||
|
|
} else if (!is_writeable($dirname)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//移动文件
|
||
|
|
if (!(move_uploaded_file($file["tmp_name"], $this->filePath) && file_exists($this->filePath))) { //移动失败
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_FILE_MOVE");
|
||
|
|
} else { //移动成功
|
||
|
|
$this->stateInfo = $this->stateMap[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 处理base64编码的图片上传
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
private function upBase64()
|
||
|
|
{
|
||
|
|
$base64Data = $_POST[$this->fileField];
|
||
|
|
$img = base64_decode($base64Data);
|
||
|
|
|
||
|
|
$this->oriName = $this->config['oriName'];
|
||
|
|
$this->fileSize = strlen($img);
|
||
|
|
$this->fileType = $this->getFileExt();
|
||
|
|
$this->fullName = $this->getFullName();
|
||
|
|
$this->filePath = $this->getFilePath();
|
||
|
|
$this->fileName = $this->getFileName();
|
||
|
|
$dirname = dirname($this->filePath);
|
||
|
|
|
||
|
|
//检查文件大小是否超出限制
|
||
|
|
if (!$this->checkSize()) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//创建目录失败
|
||
|
|
if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR");
|
||
|
|
return;
|
||
|
|
} else if (!is_writeable($dirname)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//移动文件
|
||
|
|
if (!(file_put_contents($this->filePath, $img) && file_exists($this->filePath))) { //移动失败
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_WRITE_CONTENT");
|
||
|
|
} else { //移动成功
|
||
|
|
$this->stateInfo = $this->stateMap[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 拉取远程图片
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
private function saveRemote()
|
||
|
|
{
|
||
|
|
$imgUrl = htmlspecialchars($this->fileField);
|
||
|
|
$imgUrl = str_replace("&", "&", $imgUrl);
|
||
|
|
|
||
|
|
//http开头验证
|
||
|
|
if (strpos($imgUrl, "http") !== 0) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_HTTP_LINK");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
preg_match('/(^https*:\/\/[^:\/]+)/', $imgUrl, $matches);
|
||
|
|
$host_with_protocol = count($matches) > 1 ? $matches[1] : '';
|
||
|
|
|
||
|
|
// 判断是否是合法 url
|
||
|
|
if (!filter_var($host_with_protocol, FILTER_VALIDATE_URL)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("INVALID_URL");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
preg_match('/^https*:\/\/(.+)/', $host_with_protocol, $matches);
|
||
|
|
$host_without_protocol = count($matches) > 1 ? $matches[1] : '';
|
||
|
|
|
||
|
|
// 此时提取出来的可能是 ip 也有可能是域名，先获取 ip
|
||
|
|
$ip = gethostbyname($host_without_protocol);
|
||
|
|
// 判断是否是私有 ip
|
||
|
|
if(!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("INVALID_IP");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//获取请求头并检测死链
|
||
|
|
$heads = get_headers($imgUrl, 1);
|
||
|
|
if (!(stristr($heads[0], "200") && stristr($heads[0], "OK"))) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_DEAD_LINK");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
//格式验证(扩展名验证和Content-Type验证)
|
||
|
|
$fileType = strtolower(strrchr($imgUrl, '.'));
|
||
|
|
if (!in_array($fileType, $this->config['allowFiles']) || !isset($heads['Content-Type']) || !stristr($heads['Content-Type'], "image")) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_HTTP_CONTENTTYPE");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//打开输出缓冲区并获取远程图片
|
||
|
|
ob_start();
|
||
|
|
$context = stream_context_create(
|
||
|
|
array('http' => array(
|
||
|
|
'follow_location' => false // don't follow redirects
|
||
|
|
))
|
||
|
|
);
|
||
|
|
readfile($imgUrl, false, $context);
|
||
|
|
$img = ob_get_contents();
|
||
|
|
ob_end_clean();
|
||
|
|
preg_match("/[\/]([^\/]*)[\.]?[^\.\/]*$/", $imgUrl, $m);
|
||
|
|
|
||
|
|
$this->oriName = $m ? $m[1]:"";
|
||
|
|
$this->fileSize = strlen($img);
|
||
|
|
$this->fileType = $this->getFileExt();
|
||
|
|
$this->fullName = $this->getFullName();
|
||
|
|
$this->filePath = $this->getFilePath();
|
||
|
|
$this->fileName = $this->getFileName();
|
||
|
|
$dirname = dirname($this->filePath);
|
||
|
|
|
||
|
|
//检查文件大小是否超出限制
|
||
|
|
if (!$this->checkSize()) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_SIZE_EXCEED");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//创建目录失败
|
||
|
|
if (!file_exists($dirname) && !mkdir($dirname, 0777, true)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_CREATE_DIR");
|
||
|
|
return;
|
||
|
|
} else if (!is_writeable($dirname)) {
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_DIR_NOT_WRITEABLE");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//移动文件
|
||
|
|
if (!(file_put_contents($this->filePath, $img) && file_exists($this->filePath))) { //移动失败
|
||
|
|
$this->stateInfo = $this->getStateInfo("ERROR_WRITE_CONTENT");
|
||
|
|
} else { //移动成功
|
||
|
|
$this->stateInfo = $this->stateMap[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 上传错误检查
|
||
|
|
* @param $errCode
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getStateInfo($errCode)
|
||
|
|
{
|
||
|
|
return !$this->stateMap[$errCode] ? $this->stateMap["ERROR_UNKNOWN"] : $this->stateMap[$errCode];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取文件扩展名
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getFileExt()
|
||
|
|
{
|
||
|
|
return strtolower(strrchr($this->oriName, '.'));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 重命名文件
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getFullName()
|
||
|
|
{
|
||
|
|
//替换日期事件
|
||
|
|
$t = time();
|
||
|
|
$d = explode('-', date("Y-y-m-d-H-i-s"));
|
||
|
|
$format = $this->config["pathFormat"];
|
||
|
|
$format = str_replace("{yyyy}", $d[0], $format);
|
||
|
|
$format = str_replace("{yy}", $d[1], $format);
|
||
|
|
$format = str_replace("{mm}", $d[2], $format);
|
||
|
|
$format = str_replace("{dd}", $d[3], $format);
|
||
|
|
$format = str_replace("{hh}", $d[4], $format);
|
||
|
|
$format = str_replace("{ii}", $d[5], $format);
|
||
|
|
$format = str_replace("{ss}", $d[6], $format);
|
||
|
|
$format = str_replace("{time}", $t, $format);
|
||
|
|
|
||
|
|
//过滤文件名的非法自负,并替换文件名
|
||
|
|
$oriName = substr($this->oriName, 0, strrpos($this->oriName, '.'));
|
||
|
|
$oriName = preg_replace("/[\|\?\"\<\>\/\*\\\\]+/", '', $oriName);
|
||
|
|
$format = str_replace("{filename}", $oriName, $format);
|
||
|
|
|
||
|
|
//替换随机字符串
|
||
|
|
$randNum = rand(1, 10000000000) . rand(1, 10000000000);
|
||
|
|
if (preg_match("/\{rand\:([\d]*)\}/i", $format, $matches)) {
|
||
|
|
$format = preg_replace("/\{rand\:[\d]*\}/i", substr($randNum, 0, $matches[1]), $format);
|
||
|
|
}
|
||
|
|
|
||
|
|
$ext = $this->getFileExt();
|
||
|
|
return $format . $ext;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取文件名
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getFileName () {
|
||
|
|
return substr($this->filePath, strrpos($this->filePath, '/') + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取文件完整路径
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
private function getFilePath()
|
||
|
|
{
|
||
|
|
$fullname = $this->fullName;
|
||
|
|
$rootPath = $_SERVER['DOCUMENT_ROOT'];
|
||
|
|
|
||
|
|
if (substr($fullname, 0, 1) != '/') {
|
||
|
|
$fullname = '/' . $fullname;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $rootPath . $fullname;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 文件类型检测
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
private function checkType()
|
||
|
|
{
|
||
|
|
return in_array($this->getFileExt(), $this->config["allowFiles"]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 文件大小检测
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
private function checkSize()
|
||
|
|
{
|
||
|
|
return $this->fileSize <= ($this->config["maxSize"]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取当前上传成功文件的各项信息
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getFileInfo()
|
||
|
|
{
|
||
|
|
return array(
|
||
|
|
"state" => $this->stateInfo,
|
||
|
|
"url" => $this->fullName,
|
||
|
|
"title" => $this->fileName,
|
||
|
|
"original" => $this->oriName,
|
||
|
|
"type" => $this->fileType,
|
||
|
|
"size" => $this->fileSize
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|